CVE-2020-8472: abb base_software

Vulnerability summary

CVE-2020-8472 is a high (CVSS 7.8) vulnerability in abb base_software. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.1% of scored vulnerabilities.

Timeline

1. 28-04-2020
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

Insufficient folder permissions used by system functions in ABB System 800xA products OPCServer for AC800M (versions 6.0 and earlier) and Control Builder M Professional, MMSServer for AC800M, Base Software for SoftControl (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploited the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.

• CWE-732Incorrect Permission Assignment for Critical ResourceThe product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.